Tips on Customizing Better Search – Relevant search results for WordPress

How to Hide Better Search Admin Menus

function plt_hide_better_search_menus() {
	//Hide "Better Search".
	remove_menu_page('bsearch_dashboard');
	//Hide "Better Search → Dashboard".
	remove_submenu_page('bsearch_dashboard', 'bsearch_dashboard');
	//Hide "Better Search → Popular Searches".
	remove_submenu_page('bsearch_dashboard', 'bsearch_popular_searches');
	//Hide "Better Search → Daily Popular Searches".
	remove_submenu_page('bsearch_dashboard', 'bsearch_popular_searches&orderby=daily_count&order=desc');
	//Hide "Better Search → Tools".
	remove_submenu_page('bsearch_dashboard', 'bsearch_tools_page');
	//Hide "Better Search → Settings".
	remove_submenu_page('bsearch_dashboard', 'bsearch_options_page');
}

add_action('admin_menu', 'plt_hide_better_search_menus', 12);

Where do I put this code?

How to Hide Better Search Dashboard Widgets

function plt_hide_better_search_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "Popular Searches" widget.
	remove_meta_box('bsearch_pop_dashboard', 'dashboard', 'normal');
	//Remove the "Daily Popular Searches" widget.
	remove_meta_box('bsearch_pop_daily_dashboard', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_better_search_dashboard_widgets', 20);